Olga Byalik, MD
NPI 1902994502ActiveIndividual· Obstetrics & Gynecology· Springfield, NJ
Obstetrics & Gynecology (MD) with Robert Wood Johnson Medical Associates at Hamilton PA, practicing in Springfield, New Jersey. 130 Medicare patients in 2024, $19,061 paid; nearly all of their 139 Part D prescriptions were generic (91%). Astellas Pharma US Inc was the largest of 4 companies reporting payments in 2025, $159.16 in all, mostly food and beverage. Lists Overlook Medical Center as a hospital affiliation.
Overview
| NPI | 1902994502 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 10, 2006 |
| Last updated in NPPES | Feb 7, 2025 |
| Certified by provider | Feb 7, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 25MA07515100 | NJ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Obstetrics/Gynecology (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 130 |
|---|---|
| Services billed | 261 across 15 procedure codes |
| Paid by Medicare | $19,061 |
Part D prescriptions in 2024
| Prescriptions (claims) | 139 · 255 30-day fills |
|---|---|
| Patients | 64 |
| Total drug cost | $6,606 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1997 |
|---|---|
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Robert Wood Johnson Medical Associates at Hamilton PALinden, NJ · 44 clinicians
Hospital affiliation
- Overlook Medical CenterSummit, NJ
Industry payments (Open Payments)
- 2025$159.16 · 9 payments from 4 companies
- 2024$29.35 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $76.96 | 4 |
| Exeltis, USA Inc. | $46.27 | 3 |
| Abbvie Inc. | $18.97 | 1 |
| Pfizer Inc. | $16.96 | 1 |
What the 2025 payments were for
- Food and Beverage$159.16 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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